mirror of https://github.com/webpack/webpack.git
41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
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/**
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* Compare two locations
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* @param {DependencyLocation} a A location node
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* @param {DependencyLocation} b A location node
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* @returns {-1|0|1} sorting comparator value
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*/
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module.exports = (a, b) => {
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let isObjectA = typeof a === "object" && a !== null;
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let isObjectB = typeof b === "object" && b !== null;
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if (!isObjectA || !isObjectB) {
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if (isObjectA) return 1;
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if (isObjectB) return -1;
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return 0;
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}
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if ("start" in a && "start" in b) {
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const ap = a.start;
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const bp = b.start;
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if (ap.line < bp.line) return -1;
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if (ap.line > bp.line) return 1;
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if (ap.column < bp.column) return -1;
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if (ap.column > bp.column) return 1;
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}
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if ("name" in a && "name" in b) {
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if (a.name < b.name) return -1;
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if (a.name > b.name) return 1;
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}
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if ("index" in a && "index" in b) {
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if (a.index < b.index) return -1;
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if (a.index > b.index) return 1;
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}
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return 0;
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};
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